Removing and installing adaptive suspension valve block NX7 — VW

Removing and installing
adaptive suspension valve block
NX7
Special tools and workshop equipment required
Torque wrench
V.A.G 1331
Carry out the following work:
Removing
Remove air from accumulator with the
vehicle diagnosis system, testing and information system
VAS 5051B
.
Activate car jacking mode
Chapter
and place vehicle on lifting platform.
Clean area around pressure retention valve at air spring struts at front.
Unscrew air lines from pressure retention valves of air spring struts at front
1
.
Clean area around pressure retention valve at air spring struts at rear.
Unscrew air lines from pressure retention valves of air spring struts at rear
1
.
Remove underbody panelling on right
General Body Repairs - Exterior
Rep. gr.
50
Underbody panelling
Separate connector
1
from
adaptive suspension valve block
NX7
.
Unscrew air lines
1
to
6
from
adaptive suspension valve block
NX7
.
Unscrew bolts
arrows
, lower compressor together with
adaptive suspension valve block
NX7
1
approx. 10 cm and then secure.
Undo bolts
arrows
and remove
adaptive suspension valve block
NX7
.
Installing
Install in reverse order. Note the following points:
Before the air line is installed, it must be ensured that only the second marking
arrow
on the air line can be seen.
The distance
a
from the end of the air line to the cutting ring
1
must be between a minimum of 4 mm and a maximum of 6 mm.
Terminal assignment for air lines at
adaptive suspension valve block
NX7
:
Black, drainage line
Blue, internal air line between
adaptive suspension valve block
NX7
and compressor
Yellow, air line to rear right air spring strut
Violet, air line to front left air spring strut
Red, air line to rear left air spring strut
Green, air line to front right air spring strut
Black, air line from compressor to accumulator
Fill accumulator with the
vehicle diagnosis system, testing and information system
VAS 5051B
.
Chapter
Specified torques
Component
Specified torque
Air lines to
adaptive suspension valve block
NX7
4 Nm
Air line to pressure retention valve
4 Nm
Adaptive suspension valve block
NX7
7 Nm
Bracket to body
20 Nm